Valve.



L. LYOUNIE & P. A. WICKES.

VALVE.

APPLICATION FILED SEPT. 1. 1916.

Patented J an, 1, 1918.

3 SHEETS-SHEET 1- L. E. YOUNIE & P. A. WICKES.

VALVE.

APPLICATION FILED SEPT. I. 191-6.

1 ,25 1,730. Patented Jan. 1, 1918.

a SHEETS-SHEET 2.

anogntoi PM mz' UNITED STATES PATENT oFFIoE.

LEWIS E. YOUNIE AND POWERS A. WIOKB, OF PORTLAND, OREGON.

VALVE.

Application filed September 7,1816. Serial No. 118,832.

To all whom it may concern:

Be'it known that we, Lnwrs E. YoUNm and Pownns A. .Wrcnns, citizens of the United States, residing at Portland, in the county of Multnomah and State of Oregon, have invented new and useful Improvements in Valves, of which the following is a specification.

This invention relates to valves and consists in certain improvements in the construction thereof as will be hereinafter fully described and pointed out in the claims.

One of the objects of the invention is to provide a valve which is so balanced that it can be readily moved to and from its seat even where the valve is of large size or the pressure is great and also which will readily make a complete closure. I

The invention is illustrated in the \accompanying drawings as follows Figure 1 shows a central section of a globe valve formed in accordance with our invention.

Fig. 2 an alternative construction involving our invention in the form of a three-way valve.

Fig. 3 a central section of a reversing valve including some features of our invention.

Considering the globe valve of Fig. 1, 1 marks the body of the 3 the inlet, 4 the body seat, 5 the valve head, and 6 the valve face. The valve seat and valve face are separated and brought into contact when the valve is'opened and closed by a movement of the face from and toward the seat. Arranged above the seat 4 is a cylinder 7 which is arranged in a diaphragm 7*. This cylinder has a finished inner surface 8 nearly concentric, if not concentric, with the seat 4. The valve has a shoulder 9 and a stuffing box is formed above this shoulder, a packing. 10 being forced against this shoulder by a follower 11, the packing 10 seating on the surface 8 on the cylinder 7. The follower is provided with a screw thread 12 which operates in a screw-thread 13 at the upper end of the cylinder 7.

The follower has a spider 1A from which a stem 15 extends. By turning thestem 15 the follower is turned, thus forcing the valve to its seat. The valve has a spider 16 and a stem 17 extends from the end of the stem 15 through the spider 16. Nuts 18 are arranged on the lower end of the 17 so Specification of Letter: has.

valve, 2 the outlet,-

valve.

Patented Jan. 1, 1918.

that as the follower is backed off the 1s carried with it through the engagement formed by the stem 17 and nuts 18. The stem 15 extends through the usual gland or stufling box 19 on the cap 19.

The operation of the valve can be readily followed. As shown in the figure, the valve is closed. The metal seat 4 and face 6 form a closure between the way 2 and the interior of the valve and the joint made by thepackmg 10 makes a closure between the valve and the cylindrical surface 8. When it is desired to open the valve, the stem is operated. turning the threads 12 in'the threads 13. This raises the follower 11 relieving the pressure on the packing 10 and carrying the valve through the stem 17 and nut 18 with it. It will be noted that the valve is balanced so that this movement can be readily accomplished. \Vhen the valve is closed, the follower as it is screwed up acting through the packing forces the valve to its valve seat and at the same time expands the pack- I ing firmly closing the joint. Itv will be observed that thepacking will take up any 'var1at1on in the concentricity of the surface 8 and the seat 4, the valve and seat having nqinitial opening to balance the valve or any heavy mechanism for forcing the valve where it is used in large sizes or subjected to heavy pressure,

In Fig. 2 we have adapted the invention to a three-way valve. The body 20 has an inlet 21, and discharge outlets 22 and 23. As shown in this drawing the passages open to the outlet 23 and close against the outlet 22. A seat 24 is arranged in the valve body 7 i surrounding the inlet 21. The valve 25 has a face 26 operating on the seat 24 by a movement toward and from the seat. A cylinder 27 is arranged in a diaphragm 27 The valve has a shoulder- 28. A packing 29 is arranged above this shoulder and a follower 30 arranged above the packing. thus forming a stufiing box between the follower and shoulder 28, the packing seating on the surface of the cylinder 27. The follower is provided with a spider 31. A stem 32 is adapted to operate the valve. The stem has a projection 33 which extends through the spider 31 and through a spider. 34 in the, Nuts 35 are provided at the bottom of the stem 32 for locking the valve with the follower. There is, however, some play allowing a slight independent movement.

The cap 36 has a seat 37 and the follower 30 has a seat 38 adapted to close on the seat 37. The stem 32 has a shoulder 39 which engages a spider 31 when the shoulder is forced downwardly and the stem 32 extends.

anced so that this movement may be readily\ accomplished. With a further movement of the stem'32 the seat 38 is brought into contact with the seat 37 thus forming a closure against the outlet 23. The valve then becomes the follower and the follower operates as the valve, the packing 29 being forced by the follower 25 against the valve 30 forming a close seat with the cylinder 27. With the valve parts in this raised position an opening is made to the outlet 22.

In the structure shown in Fig. 3, 41 marks 25 the valve body, 42 the exhaust and 43 and s 44 the passages controlled by the valve, and 45 the inlet to the valve. The valve body has a cylindrical surface 46 from which extend the ports 43 and 44 communicating with the passages 43 and 44 and the port 42" communicating with the passage 42. The valve 47 has a way 48 adapted to connect the ports 42 and 43 in either position of the valve in the usual manner. The valve has the cylindrical surfaces 49 seating on the surface 46. A face 50 is arranged at each end of the valve and this is adapted to close on a seat 51 by a movement toward and from the seat 51. The surface 46 terminates in a shoulder 52 and the seat 51 has a shoulder 53 engaging the shoulder 52. The surface 46 is preferably slightly larger at 52 adjacent the shoulder than the central parts of such surface. The seat 51 also has a shoulder 54 which operates against a packing 55. A follower 56 operates on the packing 55. It will be understood that the mechanism just described is arranged at each end of the valve. The followers 56' have the spring-hooks 57 and springs 58 extend from one follower to the other.

The valve is provided with a spider 59 and a valve stem 60 is secured to this spider by means of which the valve may be moved from end to end to reverse the flow through the passages 43 and 44.

As the valve is opened it operates in the.

; usual manner of reversing valves but when closed it has a metal to metal closure be tween the face 50 and seat 51 and a packing closure between the valve seat and the body of the valve. The valve is of such length that when brought to a central position the shoulders 53 are clear of the shoulders 52 so that the seat 51 and face 50 are forced into engagement through the action ofthe springs 58, this closure being subjected to the full force of the springs. The valve is entirel balanced so that it can be readily opener the only resistance being the friction and the pressure or'the springs, the springs having a tendency to close the valve. It will be observed that as the valve opens, the wire drawing effect is by the side of the valve past the. surface 52 as distinguished from an 36- tion directly across the seat, thus saving the wear on the seats. The packing takes up any lack'of concentricity between the valve .and body and forms a yielding closure assuring a complete closure of the valve when brought to neutral position.

VVhat' we claim as new is 1. -In a valve, the combination of a body having an annular seat by which the flow through the 'valve takes place and an interior cylindrical surface; a valve head having a valve face closing and opening by a movement toward and from said seat, said valve head having a stufling box comprising a shoulder on the valve head; a packing arranged on the shoulder, and a follower operating on the packing, said packing seating on said cylindrical surface; and means for exerting pressure on the follower to compress the packing and seat the valve.

2. In a valve, the'combination of a body having an annular seat by which the flow through the valve takes place and an interior cylindrical surface; a valve head having a valve face closing and opening by a movement toward and from said seat, said valve having a stufiing box comprising a shoulder on the valve head, a packing arranged on the shoulder, and a follower operating on the packing, said packing seating on said cylindricalsurface; means for exerting pressure on the follower to compress the packing and seat the valve; and a valve stem actuating the valve and means.

3. In a valve, thecombination of a body having an annular seat by which the flow through the valve takes place and an interior cylindrical surface; a valve head having a valve face closing and opening by a movement toward and from said seat, said valve having a stuiiing box comprising a shoulder on the valve head, a packing arranged on the .shoulder, and a follower operating on the --a. shoulder on the valve head, a packing arranged on the shoulder, and a follower operating on the acking, said packing seating on said cylin rical surface; a screw for exerting pressure on the follower to compress the packing and seat the valve; and a stem for actuating the valve and follower.

5. In a valve, the combination of a body having an annular seat by which the flow through the valve takes place and a diaphragm through which extends acylindrical surface; a valve head having a face closing and opening by a movement-toward and from .said seat, said valve head having a shoulder; a packing on the shoulder operating on the cylinder and forming a closure; a follower acting on the packing; a screwthreaded connection between the follower and the cylinder; a stem operating on the having an interior cylindrical surface; valve members comprising a seat and a valve head, the valve head being movable toward and from the seat and closing and opening the valve by contact with and separation from said seat; a stuifing box arranged on one of said members and having a packing operating on said cylindrical surface; and means for seating the head and exertmg pressure on the packing as the head is seated.

In testimony whereof we have hereunto set our hands.

LEWIS E. YOUNIE. POWERS A. WICKES. 

